<template>
  <el-image
    :src="`${realSrc}`"
    fit="cover"
    :style="`width:${realWidth};height:${realHeight};`"
    :preview-src-list="realSrcList"
    preview-teleported
  >
    <template #error>
      <div class="image-slot">
        <el-icon><picture-filled /></el-icon>
      </div>
    </template>
  </el-image>
</template>

<script setup>
import { isExternal } from "@/utils/validate";

const props = defineProps({
  src: {
    type: [String, Array], // 允许接收数组类型
    default: () => []
  },
  width: {
    type: [Number, String],
    default: ""
  },
  height: {
    type: [Number, String],
    default: ""
  }
});
const normalizeSrc = computed(() => {
  if (!props.src) return []
  // 处理字符串和数组两种格式
  return typeof props.src === 'string'
      ? props.src.split(',')
      : [...props.src]
})

// 处理主图地址
const realSrc = computed(() => {
  if (normalizeSrc.value.length === 0) return ''
  const firstImg = normalizeSrc.value[0]
  return processUrl(firstImg)
})

// 处理预览图列表
const realSrcList = computed(() => {
  return normalizeSrc.value.map(img => processUrl(img))
})

// 统一处理URL格式
const processUrl = (url) => {
  if (!url) return ''
  // 处理完整URL和相对路径
  if (isExternal(url) || url.startsWith('http')) {
    return url
  }
  return `${import.meta.env.VITE_APP_BASE_API}${url}`
}


// const realSrc = computed(() => {
//   if (!props.src) {
//     return;
//   }
//   let real_src = props.src.split(",")[0];
//   if (isExternal(real_src)|| real_src.indexOf("http:") === -1) {
//     return real_src;
//   }
//   return import.meta.env.VITE_APP_BASE_API + real_src;
// });
//
// const realSrcList = computed(() => {
//   if (!props.src) {
//     return;
//   }
//   let real_src_list = props.src.split(",");
//   let srcList = [];
//   real_src_list.forEach(item => {
//     if (isExternal(item)|| item.indexOf("http:") === -1) {
//       return srcList.push(item);
//     }
//     return srcList.push(import.meta.env.VITE_APP_BASE_API + item);
//   });
//   return srcList;
// });

const realWidth = computed(() =>
  typeof props.width == "string" ? props.width : `${props.width}px`
);

const realHeight = computed(() =>
  typeof props.height == "string" ? props.height : `${props.height}px`
);
</script>

<style lang="scss" scoped>
.el-image {
  border-radius: 5px;
  background-color: #ebeef5;
  box-shadow: 0 0 5px 1px #ccc;
  :deep(.el-image__inner) {
    transition: all 0.3s;
    cursor: pointer;
    &:hover {
      transform: scale(1.2);
    }
  }
  :deep(.image-slot) {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    color: #909399;
    font-size: 30px;
  }
}
</style>
